fix: handle Shift+Space in Kitty keyboard protocol terminals (#15767)

packages/cli/src/ui/contexts/KeypressContext.test.tsx

@@ -224,40 +224,60 @@ describe('KeypressContext', () => {
     });
   });
 
-  describe('Tab and Backspace handling', () => {
+  describe('Tab, Backspace, and Space handling', () => {
     it.each([
       {
         name: 'Tab key',
-        sequence: '\x1b[9u',
+        inputSequence: '\x1b[9u',
         expected: { name: 'tab', shift: false },
       },
       {
         name: 'Shift+Tab',
-        sequence: '\x1b[9;2u',
+        inputSequence: '\x1b[9;2u',
         expected: { name: 'tab', shift: true },
       },
       {
         name: 'Backspace',
-        sequence: '\x1b[127u',
+        inputSequence: '\x1b[127u',
         expected: { name: 'backspace', meta: false },
       },
       {
         name: 'Option+Backspace',
-        sequence: '\x1b[127;3u',
+        inputSequence: '\x1b[127;3u',
         expected: { name: 'backspace', meta: true },
       },
       {
         name: 'Ctrl+Backspace',
-        sequence: '\x1b[127;5u',
+        inputSequence: '\x1b[127;5u',
         expected: { name: 'backspace', ctrl: true },
       },
+      {
+        name: 'Shift+Space',
+        inputSequence: '\x1b[32;2u',
+        expected: {
+          name: 'space',
+          shift: true,
+          insertable: true,
+          sequence: ' ',
+        },
+      },
+      {
+        name: 'Ctrl+Space',
+        inputSequence: '\x1b[32;5u',
+        expected: {
+          name: 'space',
+          ctrl: true,
+          insertable: false,
+          sequence: '\x1b[32;5u',
+        },
+      },
     ])(
       'should recognize $name in kitty protocol',
-      async ({ sequence, expected }) => {
+      async ({ inputSequence, expected }) => {
         const { keyHandler } = setupKeypressTest();
 
         act(() => {
-          stdin.write(sequence);
+          stdin.write(inputSequence);
         });
 
         expect(keyHandler).toHaveBeenCalledWith(

packages/cli/src/ui/contexts/KeypressContext.tsx

@@ -84,6 +84,7 @@ const KEY_INFO_MAP: Record<
   '[9u': { name: 'tab' },
   '[13u': { name: 'return' },
   '[27u': { name: 'escape' },
+  '[32u': { name: 'space' },
   '[127u': { name: 'backspace' },
   '[57414u': { name: 'return' }, // Numpad Enter
   '[a': { name: 'up', shift: true },
@@ -479,6 +480,10 @@ function* emitKeys(
         if (keyInfo.ctrl) {
           ctrl = true;
         }
+        if (name === 'space' && !ctrl && !meta) {
+          sequence = ' ';
+          insertable = true;
+        }
       } else {
         name = 'undefined';
         if ((ctrl || meta) && (code.endsWith('u') || code.endsWith('~'))) {